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com.nwalsh.xalan
Class ImageIntrinsics  

java.lang.Object
  com.nwalsh.xalan.ImageIntrinsics

All Implemented Interfaces:

java.awt.image.ImageObserver

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public class ImageIntrinsics

extends java.lang.Object

implements java.awt.image.ImageObserver

Saxon extension to examine intrinsic size of images

$Id: ImageIntrinsics.java,v 1.1 2002/05/08 02:12:29 nwalsh Exp $

Copyright (C) 2002 Norman Walsh.

This class provides a Xalan extension to find the intrinsic size of images.

Change Log:

1.0

Initial release.

Version:

$Id: ImageIntrinsics.java,v 1.1 2002/05/08 02:12:29 nwalsh Exp $

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Field Summary
(package private)  int	depth
(package private)  java.awt.Image	image
(package private)  boolean	imageFailed
(package private)  boolean	imageLoaded
(package private)  int	width

 

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

 

Constructor Summary

ImageIntrinsics(org.apache.xalan.extensions.ExpressionContext context, java.lang.String imageFn)           Constructor for ImageIntrinsics

 

Method Summary
int	getDepth(org.apache.xalan.extensions.ExpressionContext context, int defaultDepth)
int	getWidth(org.apache.xalan.extensions.ExpressionContext context, int defaultWidth)
boolean	imageUpdate(java.awt.Image img, int infoflags, int x, int y, int width, int height)           This is a callback method for an asynchronous image producer to provide updates on the production of the image as it happens.
private  void	parseBox(java.lang.String line)

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

imageLoaded

boolean imageLoaded

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imageFailed

boolean imageFailed

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image

java.awt.Image image

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width

int width

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depth

int depth

Constructor Detail

ImageIntrinsics

public ImageIntrinsics(org.apache.xalan.extensions.ExpressionContext context,
                       java.lang.String imageFn)

Constructor for ImageIntrinsics

Method Detail

getWidth

public int getWidth(org.apache.xalan.extensions.ExpressionContext context,
                    int defaultWidth)

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getDepth

public int getDepth(org.apache.xalan.extensions.ExpressionContext context,
                    int defaultDepth)

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parseBox

private void parseBox(java.lang.String line)

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imageUpdate

public boolean imageUpdate(java.awt.Image img,
                           int infoflags,
                           int x,
                           int y,
                           int width,
                           int height)

Description copied from interface: java.awt.image.ImageObserver

This is a callback method for an asynchronous image producer to provide updates on the production of the image as it happens.

Specified by:

imageUpdate in interface java.awt.image.ImageObserver

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